No one gets away! Catch suspects and keep them in custody using these top-notch handcuffs with a built-in alarm. Activate the alarm by removing the special key when the handcuffs are closed. An LED alarm signal will show you the alarm is active. Suspects beware: opening the handcuffs immediately triggers the alarm, so escape is no use! Have fun with safe pretend detective play; the handcuffs can be opened at any time. Also includes a spare key.